Mifune personally leads a group of his samurai in assisting the Surprise Attack Division. They arrive just in time to stop a reincarnatedHanzō from killing Kankurō. Part of their group heals Kankurō and his men, others engage Chiyo and Kimimaro, and Mifune focuses his efforts on Hanzō. After first neutralising Ibuse, Mifune defeats Hanzō, who resolves to commit seppuku, giving the Sealing Team a chance to restrain him. Then they focus their efforts on sealing the other reincarnated shinobi.

As the first day of battle ends, Neji falls down due to the overuse of his Byakugan, so Kiba tells him to go to the medical tents and get treated while he's in charge of watching over any enemies' sign. Neji insists he's fine, but can no longer discern between Kiba and Akamaru. Neji rests on Akamaru's back as the others keep on the lookout.

Seemingly able to defeat all the impostors, they were later instructed to provide backup for Naruto and Killer B on their battlefield.